feat: enforce jetstream retention and limits

2026-02-23 06:04:23 -05:00
parent 95691fa9e7
commit d73e7e2f88
6 changed files with 107 additions and 8 deletions
--- a/tests/NATS.Server.Tests/JetStreamRetentionPolicyTests.cs
+++ b/tests/NATS.Server.Tests/JetStreamRetentionPolicyTests.cs
@@ -0,0 +1,18 @@
+namespace NATS.Server.Tests;
+
+public class JetStreamRetentionPolicyTests
+{
+    [Fact]
+    public async Task MaxMsgs_limit_evicts_oldest_message()
+    {
+        await using var fixture = await JetStreamApiFixture.StartWithStreamAsync("L", "l.*", maxMsgs: 2);
+
+        await fixture.PublishAndGetAckAsync("l.1", "a");
+        await fixture.PublishAndGetAckAsync("l.2", "b");
+        await fixture.PublishAndGetAckAsync("l.3", "c");
+
+        var state = await fixture.GetStreamStateAsync("L");
+        state.Messages.ShouldBe((ulong)2);
+        state.FirstSeq.ShouldBe((ulong)2);
+    }
+}